package com.mmall.concurrency.example.aqs;

import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * Created by Andrew on 2018/6/1.
 */
@Slf4j
public class CyclicBarrierExample1 {

    private static CyclicBarrier barrier = new CyclicBarrier(5);

    public static void main(String[] args) throws Exception{

        ExecutorService executor = Executors.newCachedThreadPool();
        for(int i=0; i<10; i++ ){
            final int threadNum = i;
            Thread.sleep(1000);
            executor.execute(()->{
                try {
                    race(threadNum);
                }catch(Exception e){
                    log.error("exception", e);
                }
            });
        }
        executor.shutdown();
    }
    private static void race(int threadNum) throws Exception{
        Thread.sleep(1000);
        log.info("{} is ready", threadNum);
        barrier.await();
        log.info("{} continue", threadNum);
    }
}
